package com.foreknow.demo14;

/**
 * throw 明确异常(人为制造异常)
 */
public class ExceptionDemo6 {
    public int add(int a ,int b)throws Exception{
        if (a<0||b<0){
            Exception e = new Exception();
            throw e;
        }
          return a+b;
    }

    public static void main(String[] args) {
        ExceptionDemo6 e6 = new ExceptionDemo6();
        try {
            e6.add(-1,-2);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
